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albumen enzyme treatment

D Ruan, A M Fouad, Q L Fan, W Chen, W G Xia, S Wang, Y Y Cui, Y Wang, L Yang, C T Zheng
The study investigated the effects of increasing content of corn distillers' dried grains with solubles (DDGS) in the diets of laying ducks on oxidative status, laying performance, egg quality, and egg yolk fatty acid composition. Longyan females (1080) with similar BW at 17 wk of age were randomly assigned to 6 treatment groups, each consisting of 6 replicates of 30 birds. The basal diet (I) was a typical corn-soybean ration while the experimental diets (II to VI) substituted corn DDGS for soybean meal and wheat bran and a small reduction of corn...
February 1, 2018: Poultry Science
Z H Feng, J G Gong, G X Zhao, X Lin, Y C Liu, K W Ma
1. This experiment was conducted to evaluate the effects of dietary supplementation of resveratrol on laying performance, egg quality, egg yolk cholesterol and antioxidant enzyme activities of laying hens. 2. A total of 360 Beijing PINK-1 laying hens (60 weeks old) were randomly distributed among five dietary treatments, each of which included 6 replicates of 12 hens. Dietary treatments were basal diet supplemented with 0 (control), 0.5, 1.0, 2.0 and 4.0 g/kg diet resveratrol. The study lasted for 9 weeks including 1 week of adaptation and 8 weeks of the main experimental period...
September 4, 2017: British Poultry Science
M E Abd El-Hack, M Alagawany, V Laudadio, R Demauro, V Tufarelli
An experiment was conducted with 160 Hisex Brown laying hens to evaluate the effect of different inclusion levels of faba bean (FB) and enzyme supplementation on productive performance and egg quality parameters. The experimental diets consisted of five levels of FB: 0% (control), 25%, 50%, 75% and 100%, substituting soybean meal (SBM), and two levels of enzyme supplementation (0 or 250 mg/kg). Each dietary treatment was assigned to four replicate groups and the experiment lasted 22 weeks. A positive relationship (P < 0...
February 2017: Saudi Journal of Biological Sciences
Mohamed E Abd El-Hack, Khalid Mahrose, Ali A Askar, Mahmoud Alagawany, Muhammad Arif, Muhammad Saeed, Farzana Abbasi, Rab Nawaz Soomro, Farman Ali Siyal, Maria Tabassum Chaudhry
A study was conducted using 162 Bovans laying hens to investigate the impacts of extra dietary vitamin A (0, 8000, 16,000 IU/kg), selenium (0, 0.25, 0.50 mg/kg), and their combinations on the performance, egg quality, and blood biological parameters of laying hens during summer months. Supplemental vitamin A up to 16,000 IU/kg diet significantly (P < 0.05) improved all productive traits studied except feed intake which increased with 8000 IU/kg diet compared with control. Feed intake and feed conversion of hens fed diet supplemented with selenium revealed high statistical (P = 0...
May 2017: Biological Trace Element Research
J Carillon, F Barbé, S Barial, M Saby, A Sacy, J-M Rouanet
The objectives of this study were to investigate the effects of a specific melon concentrate on oviduct antioxidant defenses and egg characteristics of laying hens.Lohmann Brown hens were assigned to 2 treatment groups (n = 16 in each). One group was supplemented with the melon concentrate (26 mg/kg of feed) during 6 wk. The other group was composed of untreated hens, which served as control. Eggs were collected, weighed (yolk, albumen, shell), and analyzed (Haugh unit and albumen pH relevant for egg freshness) at the end of the supplementation period...
August 1, 2016: Poultry Science
N Nahariah, A M Legowo, E Abustam, A Hintono
Lactobacillus plantarum is used for fermentation of fish products, meat and milk. However, the utilization of these bacteria in egg processing has not been done. This study was designed to evaluate the potential of fermented egg albumen as a functional food that is rich in angiotensin I-converting enzyme inhibitors activity (ACE-inhibitor activity) and is antihypertensive. A completely randomized design was used in this study with six durations of fermentation (6, 12, 18, 24, 30, and 36 h) as treatments. Six hundred eggs obtained from the same chicken farm were used in the experiment as sources of egg albumen...
June 2015: Asian-Australasian Journal of Animal Sciences
Yue-Mei Li, Cui-Min Ling
OBJECTIVE: To explore the mechanism of natural moxibustion on regulating immune imbalance in asthma rats. METHODS: Seventy SD male rats were divided into a normal group, a placebo group, a dexamethasone group, a big-cake for long-course moxibustion group, a big-cake for short-course moxibustion group, a small-cake for long-course moxibustion group and a small-cake for short-course moxibustion group, ten rats in each one. The rat model of asthma was established by egg albumen sensitization and stimulation in all the groups except the normal group...
April 2014: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
Tariq Helal Ashour
The therapeutic efficacy of interleukin-22 (IL-22) on liver injury and hematological disturbances was studied in rat model of acute liver failure (ALF) induced by D-galactosamine/lipopolysaccharide (D-GalN/LPS). The following parameters were investigated: (1) survival rate, (2) serum levels of liver function enzymes (aspartate aminotransferase (AST), alanine aminotransferase (ALT), and alkaline phosphatase (ALP)), total bilirubin (TBILI), and total albumen (ALB), (3) blood clotting tests (prothrombin time (PT), activated partial thromboplastin time (aPTT), and fibrinogen level (FIB)) and white blood cells (WBCs), red blood cells (RBCs), and platelet counts, (4) hepatic levels of tumor necrosis factor- α (TNF- α ) and cyclooxygenase-2 (COX-2), and (5) liver histopathology...
2014: Advances in Hematology
Els Willems, Tjing-Tjing Hu, Laura Soler Vasco, Johan Buyse, Eddy Decuypere, Lutgarde Arckens, Nadia Everaert
Different animal models have been used to study the effects of prenatal protein undernutrition and the mechanisms by which these occur. In mammals, the maternal diet is manipulated, exerting both direct nutritional and indirect hormonal effects. Chicken embryos develop independent from the hen in the egg. Therefore, in the chicken, the direct effects of protein deficiency by albumen removal early during incubation can be examined. Prenatal protein undernutrition was established in layer-type eggs by the partial replacement of albumen by saline at embryonic day 1 (albumen-deprived group), compared to a mock-treated sham and a non-treated control group...
2014: PloS One
Wei Qu, Zhao-Shun Jiang, Chun-Yang Zhang, Jun-Jie Zou, Liang-Liang Sun, Yong-Quan Shi, Zhi-Min Liu
OBJECTIVE: To investigate the expression of C-type natriuretic peptides (CNP) and natriuretic peptide receptor-B (NPR-B) receptor in diabetic rats renal cortex, and the regulation by Tongluo Recipe (TLR). METHODS: Sixty male SD rats were divided into 3 groups: the normal control group, diabetic model group and diabetic TLR group. Each group was further divided into two subgroups of ten in each, according to 4-week or 12-week observation period. Streptozotocin (STZ)-induced diabetic rats were treated with TLR (1...
July 2013: Chinese Journal of Integrative Medicine
P Liu, Y Hu, R Grossmann, R Zhao
To evaluate the effect of maternal leptin on muscle growth, we injected 0 μg (control, CON), 0.5 μg (low leptin dose, LL) or 5.0 μg (high leptin dose, HL) of recombinant murine leptin dissolved in 100 μl of PBS into the albumen of broiler eggs prior to incubation. The newly hatched chicks were all raised under the same conditions until 21 days of age (D21), when body weight was measured and samples of gastrocnemius muscle were collected and weighed. Myosin ATPase staining was applied to identify myofibre types and measure the cross-sectional area (CSA) of myofibres...
October 2013: Journal of Animal Physiology and Animal Nutrition
P Banerjee, K M Keener, V D Lukito
Rapid cooling of shell eggs by using liquid CO(2) has shown increased bactericidal effects along with saturation of the egg albumen with CO(2). Lysozyme is a bactericidal enzyme present in chicken eggs, and it lyses gram-positive bacteria. Newly laid chicken eggs have an initial pH of 7.6 to 8.5 and are saturated with CO(2). During storage, the pH gradually increases to 9.7, accompanied by a loss of CO(2). It is hypothesized that the lysozyme activity is influenced by either CO(2) concentration or pH changes resulting from CO(2) loss...
April 2011: Poultry Science
A Ahmadi, M M Tabatabaei, H Aliarabi, A A Saki, S A Hosseini Siyar
Ninety hens were divided into six groups as a 2 x 3 factorial design and fed diets containing Wheat Bran (WB) at two levels of 0 and 5% and the enzyme phytase at three levels of 0, 150 and 300 FTU kg(-1). Egg weight, egg production, feed intake and Feed Conversion Ratio (FCR) were determined. Eggs were collected on two consecutive days at fortnightly intervals to measure egg size and egg component weights. Shell thickness was measured. Egg production, egg weight, FCR and feed intake were not affected by WB...
September 15, 2008: Pakistan Journal of Biological Sciences: PJBS
Warren Thomas, Natasha Coen, Sheila Faherty, Cathal O Flatharta, Brian J Harvey
The principal secreted estrogen, 17beta-estradiol rapidly activates signaling cascades that regulate important physiological processes including ion transport across membranes, cytosolic pH and cell proliferation. These effects have been extensively studied in the MCF-7 estrogen-responsive human breast carcinoma cell line. Here, we demonstrate that a physiological concentration of 17beta-estradiol caused a rapid, synchronous and transient increase in intracellular calcium concentration in a confluent monolayer of MCF-7 cells 2-3 min after treatment...
March 2006: Steroids
A C Pappas, T Acamovic, N H C Sparks, P F Surai, R M McDevitt
We assessed the effects of supplementation of broiler breeder diets with polyunsaturated fatty acids (PUFA) and organic Se on hatching egg quality during storage. Broiler breeders (n = 352) were fed 1 of 4 diets: SO (soybean oil with no added Se), SO with Se (SO+Se), fish oil (FO), or FO and Se (FO+Se). Eggs from prepeak (23 wk) and peak production (27 wk) breeders were stored for 14 d under typical (15 degrees C, 78% RH) conditions. Eggs were analyzed for albumen Haugh units (HU) and pH, shell characteristics, egg component weight, Se content, and fatty acid (FA) profile...
June 2005: Poultry Science
J L Godwin, J L Grimes, V L Christensen, M J Wineland
An experiment was conducted to determine the effect of dietary P levels and dietary phytase enzyme (E) inclusion on Large White turkey breeder hen reproductive performance from 31 to 62 wk of age. Hens were placed in a curtain-sided house with 48 pens (10 birds per pen; 8 pens per treatment) at 31 wk and were fed a breeder ration with treatments as follows: HP, dietary available P = 0.55%; HPE, HP + E; MP, dietary available P = 0.35%; MPE, MP + E; LP, dietary available P = 0.17%; and LPE, LP + E. Feed and water were available ad libitum for 28 wk of lay...
March 2005: Poultry Science
D Jaroni, S E Scheideler, M Beck, C Wyatt
A study was conducted to test the effects of wheat middlings (WM) with and without enzyme (xylanase and protease) supplementation on late egg production (EP), egg yields, and egg composition in two strains of Leghorn hens (DeKalb Delta and Hisex White). Six diets were randomly assigned to 300 birds (150 birds per strain) from 42 to 60 wk of age. Diet 1 was a corn-soybean meal control, Diets 2 and 3 had 8 and 16% WM, respectively, Diet 4 had 8% WM with 0.1% enzyme, and Diets 5 and 6 had 16% WM with 0.1 and 0...
June 1999: Poultry Science
F A Igbasan, W Guenter
Two experiments were conducted to determine the effects of micronization (infrared heat treatment), dehulling, or enzyme supplementation on the nutritive value of three cultivars (Impala, Radley, and Sirius) of peas in laying hens. In Experiment 1, 280 White Leghorn hens were fed diets containing micronized and dehulled peas for a period of 12 wk. The dietary inclusion of peas was 600 g/kg (correction was made for the amounts of hulls in those diets that contained dehulled peas). Egg production (P < or = 0...
February 1997: Poultry Science
E M Goudsmit, P A Ketchum, M K Grossens, D A Blake
A beta-(1----6)-D-galactosyltransferase has been purified over 2000-fold by affinity chromatography on UDP-p-aminophenyl-Sepharose. The enzyme, from a pellet fraction (8000 x g) of Helix pomatia albumen gland, catalyzes transfer of D-galactose from UDP-galactose to a (1----6) linkage on acceptor H. pomatia galactogen. Three other polymers served as acceptors: beef lung galactan, Lymnaea stagnalis galactogen and arabinogalactan from larch wood. To determine the linkage specificity of the enzyme, it was incubated with UDP-D-galactose and acceptor galactogen that had been tritiated previously by treatment with galactose oxidase and [3H]KBH4...
September 15, 1989: Biochimica et Biophysica Acta
D B Johnson, M P Coughlan
The stability of immobilized preparations of xanthine oxidase and urate oxidase was studied, and optimized, because of the potential joint use of both enzymes in clinical analysis. Xanthine oxidase was immobilized on cellulose, Sepharose, hornblende, Enzacryl-TIO, and porous glass. Thehalf-lives of these preparations at 30 degree C ranged from 40 min to 5.0 hr. In this respect immobilized enzyme resembled soluble enzyme in dilute solution (0.11 mg/ml), when the half-live was about 3.5 hr. More concentrated enzyme solution (1 mg/ml) had a half-life of 64 hr, and was, therefore, considerably more stable than the untreated immobilized xanthine oxidase preparations...
July 1978: Biotechnology and Bioengineering
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